Pith Number

pith:MEZBBA7Z

pith:2018:MEZBBA7ZEJM4O7HKSV5YMXUQ2Y

not attested not anchored not stored refs pending

ChASE: Chebyshev Accelerated Subspace iteration Eigensolver for sequences of Hermitian eigenvalue problems

2) ((1) AICES, (2) JSC, Edoardo Di Napoli (1, Forschungszentrum J\"ulich), Jan Winkelmann (1), Paul Springer (1), RWTH Aachen University

arxiv:1805.10121 v1 · 2018-05-25 · cs.MS · cs.CE · cs.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MEZBBA7ZEJM4O7HKSV5YMXUQ2Y}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:14:53.067679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61321083f92259c77cea957b865e90d610f87aa0a76085008e5718cc9165bb72

Aliases

arxiv: 1805.10121 · arxiv_version: 1805.10121v1 · doi: 10.48550/arxiv.1805.10121 · pith_short_12: MEZBBA7ZEJM4 · pith_short_16: MEZBBA7ZEJM4O7HK · pith_short_8: MEZBBA7Z

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/MEZBBA7ZEJM4O7HKSV5YMXUQ2Y \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 61321083f92259c77cea957b865e90d610f87aa0a76085008e5718cc9165bb72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40a553cccc4931ebd4a8761271b14cc5ab6e37e93d7a76c4794dbcf7497a6d02",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2018-05-25T12:56:18Z",
    "title_canon_sha256": "9434f0ebad7bc69b4782087da8f9d34a2b53e6e2badd580dfbb39429e8cba97a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10121",
    "kind": "arxiv",
    "version": 1
  }
}